5. Assume that a cell is 2n=4 (diploid has two chromosomes, the same size). DRAW the following stages below. Use / for unreplicated chromosome and X for replicated chromosome. Use a metaphase plate that is vertical. For simplicity, do not indicate the nuclear membrane, spindles or that the chromosomes are decondensed (unwound) in interphase. Draw the chromosomes even if you would actually only see chromatin during interphase G1 G2 Metaphase of MEIOSIS II one gamete Metaphase of MITOSIS Metaphase of MEIOSIS I a. b. C. d. e. f. ooooo! d. a. b. C. For reference Metaphase of MITOSIS is shown in circle f. Explain how what you drew for (c) differs from (f) 6. Carefully analyze the following images. D f. D E A B C D a. Describe each as n= (1 or 2 "sets" of information is held on how many chromosomes). Also indicate how much DNA is in each compared to a respective gamete which has 1x amount of DNA) A B Ploidy (2n or 1n?) _1n_ # of chromosomes _2___ amount of DNA _1x_ b. Indicate which diagram (A-E) shows a cell immediately after these phases: E

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**Educational Website Content: Cell Division and Chromosome Arrangement**

**5. Chromosome Representation During Cell Stages**

Assume that a cell is 2n=4 (diploid with two chromosomes of the same size). Draw the following stages, using / for unreplicated chromosomes and X for replicated chromosomes, on a vertical metaphase plate. Simplify by omitting the nuclear membrane and spindle fibers. Draw the chromosomes even during interphase.

- **a. G1**
- **b. G2**
- **c. Metaphase of MEIOSIS I**
- **d. Metaphase of MEIOSIS II**
- **e. One gamete**
- **f. Metaphase of MITOSIS**

**Diagram Description:**
- **Circle a (G1):** No visible chromosomes drawn.
- **Circle b (G2):** No visible chromosomes drawn.
- **Circle c (Metaphase of MEIOSIS I):** No visible chromosomes drawn.
- **Circle d (Metaphase of MEIOSIS II):** No visible chromosomes drawn.
- **Circle e (One gamete):** No visible chromosomes drawn.
- **Circle f (Metaphase of MITOSIS):** Two pairs of replicated chromosomes (X shapes) aligned on the metaphase plate.

**Explanation of Differences:**
Metaphase of MEIOSIS I (c) differs from Metaphase of MITOSIS (f) in how chromosomes are aligned and separated into cells. In mitosis, sister chromatids are separated, whereas, in meiosis I, homologous chromosomes are separated.

**6. Analysis of Cell Images**

Examine the diagrams labeled A to E:

**a. Description Table:**
- **A**
  - Ploidy: 1n
  - # of Chromosomes: 2
  - Amount of DNA: 1x

Fill in the remaining details for diagrams B to E.

**b. Diagram Identification:**
Identify which diagram (A-E) corresponds to the following phases:

- Cytokinesis of mitosis?
- Cytokinesis of meiosis I?
- Cytokinesis of meiosis II?
- Prophase of mitosis?

**c. Outlier Diagram:**
Identify the diagram that does not fit with the others and describe the difference.

These diagrams and descriptions help illustrate the cell cycle and chromosome behavior during mitosis and meiosis, crucial for understanding genetic inheritance and
Transcribed Image Text:**Educational Website Content: Cell Division and Chromosome Arrangement** **5. Chromosome Representation During Cell Stages** Assume that a cell is 2n=4 (diploid with two chromosomes of the same size). Draw the following stages, using / for unreplicated chromosomes and X for replicated chromosomes, on a vertical metaphase plate. Simplify by omitting the nuclear membrane and spindle fibers. Draw the chromosomes even during interphase. - **a. G1** - **b. G2** - **c. Metaphase of MEIOSIS I** - **d. Metaphase of MEIOSIS II** - **e. One gamete** - **f. Metaphase of MITOSIS** **Diagram Description:** - **Circle a (G1):** No visible chromosomes drawn. - **Circle b (G2):** No visible chromosomes drawn. - **Circle c (Metaphase of MEIOSIS I):** No visible chromosomes drawn. - **Circle d (Metaphase of MEIOSIS II):** No visible chromosomes drawn. - **Circle e (One gamete):** No visible chromosomes drawn. - **Circle f (Metaphase of MITOSIS):** Two pairs of replicated chromosomes (X shapes) aligned on the metaphase plate. **Explanation of Differences:** Metaphase of MEIOSIS I (c) differs from Metaphase of MITOSIS (f) in how chromosomes are aligned and separated into cells. In mitosis, sister chromatids are separated, whereas, in meiosis I, homologous chromosomes are separated. **6. Analysis of Cell Images** Examine the diagrams labeled A to E: **a. Description Table:** - **A** - Ploidy: 1n - # of Chromosomes: 2 - Amount of DNA: 1x Fill in the remaining details for diagrams B to E. **b. Diagram Identification:** Identify which diagram (A-E) corresponds to the following phases: - Cytokinesis of mitosis? - Cytokinesis of meiosis I? - Cytokinesis of meiosis II? - Prophase of mitosis? **c. Outlier Diagram:** Identify the diagram that does not fit with the others and describe the difference. These diagrams and descriptions help illustrate the cell cycle and chromosome behavior during mitosis and meiosis, crucial for understanding genetic inheritance and
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